Following up on the momentum of the most successful year in company history, Bridgestone Golf signed 22-year-old LPGA Tour star Lexi Thompson to a multiyear deal to exclusively play and promote its golf balls. Thompson played Bridgestone's B330-S the past two seasons in a non-endorser capacity and is now using its new TOUR B ball. Lexi Thompson poses with the 2017 CME Race for the Globe trophy (Photo by Sam Greenwood/Getty Images)